Melstone, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Melstone, a town in Rosebud County, Montana.
Today
75°F
Sunny
Sunny. High near 75, with temperatures falling to around 73 in the afternoon. West northwest wind around 6 mph.
7-day forecast for Melstone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 6 mph WNW | 0% |
| Tonight | 49°F | Partly Cloudy | 5 mph SE | 1% |
| Wednesday | 85°F | Sunny | 6 mph WSW | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 7 mph NNE | 0% |
| Thursday | 92°F | Sunny | 3 to 9 mph WSW | 0% |
| Thursday Night | 57°F | Mostly Clear | 2 to 8 mph NE | 0% |
| Friday | 97°F | Sunny | 2 to 8 mph SW | 0% |
| Friday Night | 60°F | Mostly Clear | 5 to 10 mph NE | 0% |
| Saturday | 93°F | Sunny | 6 to 14 mph NW | 0% |
| Saturday Night | 61°F | Partly Cloudy | 5 to 10 mph ENE | 3% |
| Sunday | 91°F | Mostly Sunny | 5 to 13 mph N | 0% |
| Sunday Night | 61°F | Partly Cloudy | 7 to 12 mph NE | 6% |
| Monday | 89°F | Mostly Sunny | 7 to 12 mph NE | 5% |
| Monday Night | 60°F | Partly Cloudy then Slight Chance Rain Showers | 8 to 12 mph ENE | 16% |
Forecast source: National Weather Service (api.weather.gov) for Melstone (46.599, -107.868). Updated through the day.
Growing snapshot for Melstone
Last spring frost
May 10
First fall frost
Sep 29
Growing season
141 days
Hardiness zone
4b
More local growing data for Melstone: nearby ZIP 59054 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Melstone, Mt (6.6 mi from Melstone). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.